64723680

素因数分解:

$2^5\times 3^2\times 5^1\times 7^1\times {\mathrm{6421}}^1$

素因数の和:6449

約数の個数: 144

約数和(自身を含む): 252461664

約数和(自身を除く): 187737984

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 32, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 112, 120, 126, 140, 144, 160, 168, 180, 210, 224, 240, 252, 280, 288, 315, 336, 360, 420, 480, 504, 560, 630, 672, 720, 840, 1008, 1120, 1260, 1440, 1680, 2016, 2520, 3360, 5040, 6421, 10080, 12842, 19263, 25684, 32105, 38526, 44947, 51368, 57789, 64210, 77052, 89894, 96315, 102736, 115578, 128420, 134841, 154104, 179788, 192630, 205472, 224735, 231156, 256840, 269682, 288945, 308208, 359576, 385260, 404523, 449470, 462312, 513680, 539364, 577890, 616416, 674205, 719152, 770520, 809046, 898940, 924624, 1027360, 1078728, 1155780, 1348410, 1438304, 1541040, 1618092, 1797880, 1849248, 2022615, 2157456, 2311560, 2696820, 3082080, 3236184, 3595760, 4045230, 4314912, 4623120, 5393640, 6472368, 7191520, 8090460, 9246240, 10787280, 12944736, 16180920, 21574560, 32361840, 64723680]

約数ペア:

[(1, 64723680), (2, 32361840), (3, 21574560), (4, 16180920), (5, 12944736), (6, 10787280), (7, 9246240), (8, 8090460), (9, 7191520), (10, 6472368), (12, 5393640), (14, 4623120), (15, 4314912), (16, 4045230), (18, 3595760), (20, 3236184), (21, 3082080), (24, 2696820), (28, 2311560), (30, 2157456), (32, 2022615), (35, 1849248), (36, 1797880), (40, 1618092), (42, 1541040), (45, 1438304), (48, 1348410), (56, 1155780), (60, 1078728), (63, 1027360), (70, 924624), (72, 898940), (80, 809046), (84, 770520), (90, 719152), (96, 674205), (105, 616416), (112, 577890), (120, 539364), (126, 513680), (140, 462312), (144, 449470), (160, 404523), (168, 385260), (180, 359576), (210, 308208), (224, 288945), (240, 269682), (252, 256840), (280, 231156), (288, 224735), (315, 205472), (336, 192630), (360, 179788), (420, 154104), (480, 134841), (504, 128420), (560, 115578), (630, 102736), (672, 96315), (720, 89894), (840, 77052), (1008, 64210), (1120, 57789), (1260, 51368), (1440, 44947), (1680, 38526), (2016, 32105), (2520, 25684), (3360, 19263), (5040, 12842), (6421, 10080)]